Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 317
ust be expended in pro-portion to the additional electrical energy furnished. Lenzs Law is further illustrated in Fig. 265, where theprimary body, A, is an electromagnet with its polarity as in-dicated. On moving this electromagnet toward the secondarycoil, B, the induced current flows so as to…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
